यदि तीन समुच्चयों में ठीक एक समुच्चय में (71), ठीक दो समुच्चयों में (46) और तीनों में (15) तत्व हैं, तो (n\(A\cup B\cup C\)) कितना है?
If in three sets (71) elements are in exactly one set, (46) in exactly two sets, and (15) in all three sets, what is (n\(A\cup B\cup C\))?
Explanation opens after your attempt
C. (132)
Concept
The union includes the regions of exactly one, exactly two, and all three. Hence (71+46+15=132).
Why this answer is correct
The correct answer is C. (132). The union includes the regions of exactly one, exactly two, and all three. Hence (71+46+15=132).
Exam Tip
संघ में ठीक एक, ठीक दो और तीनों वाले सभी भाग आते हैं। इसलिए (71+46+15=132)।
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